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2 477 191

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(51)

IPC

B21D53/78(2006-01-01)

B21D26/02(2011-01-01)

B23K20/18(2006-01-01)

B23K101/02(2006-01-01)

(21) (22)

Application

2011124220/02, 2011-06-15

(24)

Start date

2011-06-15

(22)

Actual filing date

2011-06-15

(45)

Published

2013-03-10

(72)

Inventor

Muljukov Radik RafikovichInozemtsev Aleksandr AleksandrovichSafiullin Rinat VladikovichKharin Sergej AleksandrovichKozlov Aleksandr NikolaevichKoksharov Nikolaj LeonidovichKropotov Vladimir AlekseevichKruglov Aleksej Anatol'EvichLevin Igor' Vasil'EvichManapov Irek UsmanovichMorozov Mikhail AleksandrovichPavlinich Sergej PetrovichPerepelitsa Sergej IllarionovichTrifonov Vadim Gennad'Evich

(73)

Holder

Uchrezhdenie Rossijskoj Akademii Nauk Institut Problem Sverkhplastichnosti Metallov RanOtkrytoe Aktsionernoe ObshchestvoOtkrytoe Aktsionernoe Obshchestvo Motorostroitel'Noe Proizvodstvennoe Ob"Edinenie"Otkrytoe Aktsionernoe Obshchestvo Vsmpo-Avisma"

METHOD OF MAKING HOLLOW BLOWER BLADE Russian patent published in 2013 - IPC B21D53/78 B21D26/02 B23K20/18 B23K101/02

Abstract RU 2477191 C2

FIELD: process engineering.

SUBSTANCE: invention relates to production of aircraft engines and may be used in making gas turbine blower blade composed of shin titanium alloy and filler. In compliance with this method, diffusion welding is used to joint skins and filler together while superplastic forming is used to form hollow root and stiffness ribs. Note here that adhesion between skins and filler and protective coating is broken before making aerofoil of one-piece structural blank. Note also that adhesion is broken in arranging said blank so that adjacent surfaces of skin and filler blanks stay in horizontal plane. Prior to making aerofoil of one-piece structural blank, its cavities are subjected to evacuation and filling with inert gas to remove oxygen therefrom. Then, said cavities are sealed.

EFFECT: expanded machining performances, higher quality due to application of blanks with sub micro crystalline or nano crystalline structure.

8 cl, 5 dwg, 2 ex

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RU 2 477 191 C2

Authors

Muljukov Radik Rafikovich

Inozemtsev Aleksandr Aleksandrovich

Safiullin Rinat Vladikovich

Kharin Sergej Aleksandrovich

Kozlov Aleksandr Nikolaevich

Koksharov Nikolaj Leonidovich

Kropotov Vladimir Alekseevich

Kruglov Aleksej Anatol'Evich

Levin Igor' Vasil'Evich

Manapov Irek Usmanovich

Morozov Mikhail Aleksandrovich

Pavlinich Sergej Petrovich

Perepelitsa Sergej Illarionovich

Trifonov Vadim Gennad'Evich

Dates

2013-03-10—Published

2011-06-15—Filed